Static task
static1
Behavioral task
behavioral1
Sample
2024-04-22_42c5488c29fc4652da9cf9b9c8dbc0fd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_42c5488c29fc4652da9cf9b9c8dbc0fd_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_42c5488c29fc4652da9cf9b9c8dbc0fd_cryptolocker
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Size
74KB
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MD5
42c5488c29fc4652da9cf9b9c8dbc0fd
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SHA1
6437ae2a2eebf157e31b90edd2b01ac67085f96f
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SHA256
43b09cace42bd55803363a05702b238df5a1b88e2e23667256c6c57c277b654e
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SHA512
d27dd3790f4b644f71f917534d7b6a948368df64b73a88b055e82775f3d7ab8cb2ab6fdc384ec3797e2d5dd3f2e6287fbf96e63208240ff3fbfda119072e8a26
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsy:X6a+SOtEvwDpjBZYvQd2x
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-22_42c5488c29fc4652da9cf9b9c8dbc0fd_cryptolocker
Files
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2024-04-22_42c5488c29fc4652da9cf9b9c8dbc0fd_cryptolocker.exe windows:5 windows x86 arch:x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ